HH

Heinz Hirsch

F& Friedrich Grohe Armaturenfabrik Gmbh &: 3 patents #11 of 40Top 30%
FA Friedrich Grohe Ag: 2 patents #23 of 55Top 45%
Overall (All Time): #1,053,210 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5829072 Automatic shower control Heinz-Dieter Eichholz, Hans-Jurgen Ludewig, Gunter Kolbert 1998-11-03
5522429 Stroke limiter for single-lever mixing valve Veit Bechte, Gunter Faust, Gunter Gabel 1996-06-04
5143349 Valve with flow shield Harald Korfgen, Vinzenz Grendel 1992-09-01
5044605 Flow-control and shutoff valve Harald Korfgen, Vinzenz Grendel 1991-09-03
5014736 Shut-off and control valve Harald Korfgen, Vinzenz Grendel, Friedrich Wagner, Walter Grau 1991-05-14